58 SQUAMIPINNES, 



the second covered with scales ; a recumbent spine before the dorsal 

 pointing forwards ; anal with four spines ; pectorals short. No teeth 

 on the palate ; prtEoperculum without spine. Scales very small. 

 Branchiostcgals six ; air-bladder simple ; pyloric appendages in in- 

 creased number. 



East Indian and Australian Seas, entering rivers. 



1. Scatophagus argus. 



Piscis stercorarius, IVilhir/hbi/, App. p. 2. pi. 2. f. 2. 



Renard, ii. 50. 211; Valent. iii. p. 403. i. 180; Ruysch, Pise. Amh, 



p. 33. tab. 17. f. 6 ; Klein, Hiss. iii. p. 36. no. 4 ; Russell, i. pi. 78. 

 Sti'ont-\'iscli, Nieuhof, Braz. Land- und Zee-Rcise, p. 269. pi. 268. 

 Chsetodon arg-us, L.'Gtn. p. 1248; £1. tab. 204. f. 1 ; Bl. iSc/m. p. 232; 



Shaw, Zool. iv. p. 332. 



pairatalis, Buch. Ham. pp. 122, 372. pi. 16. f. 41. 



Ephippus argus, Cuv. Regne Anim. 



Chsetodon atromaciilatus, Benn. Ceyl. Fish. pi. 18. 



Scatophagus argus, Cuv. i>c Val. vii. p. 136; Richards. Ichth. Chin. 



p. 245 ; Bleek. Verh. Batav. Genootsch. xxiii. Chcetcd. p. 24. 

 Cacodoxus argus. Cant. Catal. p. 163. 

 Scatophagus uiacronotus, Bleek. Topogr. Batav. (monstr.). 

 Sargus macidatus, Gronov. Sijst. ed. Gray, p. 65. 



D. 10 I ^. A. ^. Ctec. pylor. 20. Vert. 11/12 (10/14 Cuv.). 



The width between the eyes is 2\ in the length of the head ; the 

 length of the fourth dorsal spine is 2i in the height of the body. 

 Prseorbital with the lower posterior angle denticulated. Body and 

 vertical fins spotted ^^dth brown. 



East Indian and Chinese Seas, entering livers. 



a, b. Adult. Singapore. 



c. Young. Singapore. 



d. Half-grown. Amboyna. Purchased of Mr. Frank. 



e. f. Young. Cerara. Piu'chased of Mr. Stevens. 

 g. Adult. Malacca. Purchased of Mr. Cuming. 



h. Adult : stuffed. China. Presented by J. R. Reeves, Esq. 



i, k. Adult. China. 



I. Adult. China. 



ni-p. Adult and half- grown. India. Presented by W. Masters, Esq. 



q-v. Half-grown : not good state. India. 



IV. Yoimg. India. 



.V. Adult. India. Presented by G. R. Waterhouse, Esq. 



y. Adult. From the Haslar Collection. 



z. Adult : skin. 



a. Adult: skin. Presented by B. H. Hodgson, Esq. 



/3. Adult : stuffed : not good state. Old Collection. 



y. Adult : skin. From Gronov's Collection. 



j. Adult : skeleton. From the Collection of the Zoological Society. 



Skeleton. — The maxillary bone is small, slightly bent ; the inter- 

 maxillary also is little developed, and has the posterior process much 

 shorter than the descending branch ; the mandibula is exceedingly 

 short. The limbs of the prseoperculum form together a right angle, 



